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Wildlife refuge · Indiana

Big Oaks National Wildlife Refuge

Big Oaks National Wildlife Refuge is run by the U.S. Fish and Wildlife Service. Its own timing: around the second week in May.

Big Oaks National Wildlife Refuge in pictures

Illustrative photos, not current conditions
Forest at Big Oaks National Wildlife Refuge
Forest at Big Oaks National Wildlife Refuge. Photo: Jason Lewis/USFWS · public domain · resized

What the U.S. Fish and Wildlife Service says

“The refuge covers a portion of the former Jefferson Proving Ground, a munitions testing facility operated by the U.S. Army between 1940-1995.”
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When to go

In the source's own words; no peak claimed unless the source says so
  • around the second week in May“April is the start of the main wave of songbird migration which peaks around the second week in May.”

Before you go

Big Oaks National Wildlife Refuge is located on a former munitions testing area and only certain areas are open to visitors because of safety concerns.

Worth the drive

60 to 100 straight-line miles away

Hoosier National Forest 75 mi

How we know

Every fact on this page, from these pages